FAQ
Hi,

I have several problems with a cluster running hadoop-0.16.0 and
java-1.6.0_02 (same setup on each machine, CentOS 5); at the moment, 18
of 20 machines are running -- load on each between 4 and 10. Two nodes
aren't working anymore, worker247 ([1] & [2]) and worker236 ([3] & [4]).
The error messages I get are incomprehensible to me; I double-checked
network settings, DNS configuration, ... I have no starting-point for
debugging :(

Can anyone please give me a hint?

Thanks in advance,
ms



[1] hadoop-jobtracker-worker247.log
2008-05-15 12:51:54,665 INFO org.apache.hadoop.mapred.JobTracker:
STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting JobTracker
STARTUP_MSG: host = worker247/192.168.4.247
STARTUP_MSG: args = []
STARTUP_MSG: version = 0.16.0
STARTUP_MSG: build =
http://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.16 -r
618351; compiled by
'hadoopqa' on Mon Feb 4 19:29:11 UTC 2008
************************************************************/
2008-05-15 12:51:55,077 FATAL org.apache.hadoop.mapred.JobTracker:
java.net.BindException: Problem binding to
master01/192.168.4.1:9001
at org.apache.hadoop.ipc.Server.bind(Server.java:193)
at org.apache.hadoop.ipc.Server$Listener.(Server.java:973)
at org.apache.hadoop.ipc.RPC$Server.(RPC.java:355)
at org.apache.hadoop.mapred.JobTracker.(JobTracker.java:124)
at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:2114)

2008-05-15 12:51:55,078 INFO org.apache.hadoop.mapred.JobTracker:
SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down JobTracker at worker247/192.168.4.247
************************************************************/


[2] hadoop-namenode-worker247.log
2008-05-15 12:51:39,041 INFO org.apache.hadoop.dfs.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG: host = worker247/192.168.4.247
STARTUP_MSG: args = []
STARTUP_MSG: version = 0.16.0
STARTUP_MSG: build =
http://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.16 -r
618351; compiled by
'hadoopqa' on Mon Feb 4 19:29:11 UTC 2008
************************************************************/
2008-05-15 12:51:39,441 ERROR org.apache.hadoop.dfs.NameNode:
java.net.BindException: Problem binding to maste
r01/192.168.4.1:8020
at org.apache.hadoop.ipc.Server.bind(Server.java:193)
at org.apache.hadoop.ipc.Server$Listener.(Server.java:973)
at org.apache.hadoop.ipc.RPC$Server.(RPC.java:355)
at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:120)
at org.apache.hadoop.dfs.NameNode.(NameNode.java:161)
at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:843)
at org.apache.hadoop.dfs.NameNode.main(NameNode.java:852)

2008-05-15 12:51:39,443 INFO org.apache.hadoop.dfs.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at worker247/192.168.4.247
************************************************************/


[3] hadoop-datanode-worker236.log
2008-05-19 12:06:20,839 INFO org.apache.hadoop.dfs.DataNode:
PacketResponder 2 for block blk_8110468615207654967 terminating
2008-05-19 12:06:20,839 INFO org.apache.hadoop.dfs.DataNode: writeBlock
blk_8110468615207654967 received exception java.io.EOFException
2008-05-19 12:06:20,839 ERROR org.apache.hadoop.dfs.DataNode:
192.168.4.236:50010:DataXceiver: java.io.EOFException
at java.io.DataInputStream.readInt(DataInputStream.java:375)
at
org.apache.hadoop.dfs.DataNode$BlockReceiver.receiveBlock(DataNode.java:2245)
at
org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock(DataNode.java:1150)
at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:938)
at java.lang.Thread.run(Thread.java:619)

2008-05-19 12:06:26,830 INFO org.apache.hadoop.dfs.DataNode:
PacketResponder blk_8187032148917499050 2 Exception
java.net.SocketException: Broken pipe
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)
at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
at java.io.DataOutputStream.writeLong(DataOutputStream.java:207)
at org.apache.hadoop.dfs.DataNode$PacketResponder.run(DataNode.java:1818)
at java.lang.Thread.run(Thread.java:619)

2008-05-19 12:06:26,830 INFO org.apache.hadoop.dfs.DataNode:
PacketResponder 2 for block blk_8187032148917499050 terminating
2008-05-19 12:06:26,830 INFO org.apache.hadoop.dfs.DataNode: writeBlock
blk_8187032148917499050 received exception java.io.EOFException
2008-05-19 12:06:26,830 ERROR org.apache.hadoop.dfs.DataNode:
192.168.4.236:50010:DataXceiver: java.io.EOFException
at java.io.DataInputStream.readInt(DataInputStream.java:375)
at
org.apache.hadoop.dfs.DataNode$BlockReceiver.receiveBlock(DataNode.java:2245)
at
org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock(DataNode.java:1150)
at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:938)
at java.lang.Thread.run(Thread.java:619)

2008-05-19 12:06:29,694 INFO org.apache.hadoop.dfs.DataNode: Deleting
block blk_-363383493122526779 file
/data0/dfs/data/current/subdir54/subdir4/blk_-363383493122526779
2008-05-19 12:06:29,694 INFO org.apache.hadoop.dfs.DataNode: Deleting
block blk_3753472703880843699 file
/data1/dfs/data/current/subdir14/subdir14/blk_3753472703880843699
2008-05-19 12:06:35,982 INFO org.apache.hadoop.dfs.DataBlockScanner:
Verification succeeded for blk_2968960775242567685
2008-05-19 12:06:37,155 INFO org.apache.hadoop.dfs.DataNode: Receiving
block blk_3449909418507738687 src: /192.168.4.232:55555 dest:
/192.168.4.232:50010
2008-05-19 12:06:37,170 INFO org.apache.hadoop.dfs.DataNode: Datanode 1
got response for connect ack from downstream datanode with firstbadlink as
2008-05-19 12:06:37,171 INFO org.apache.hadoop.dfs.DataNode: Datanode 1
forwarding connect ack to upstream firstbadlink is
2008-05-19 12:06:42,307 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_3449909418507738687 of size 1434183 from /192.168.4.232
2008-05-19 12:06:42,308 INFO org.apache.hadoop.dfs.DataNode:
PacketResponder 1 for block blk_3449909418507738687 terminating
2008-05-19 12:06:42,437 INFO org.apache.hadoop.dfs.DataNode: Receiving
block blk_1416421490768473241 src: /192.168.4.239:43331 dest:
/192.168.4.239:50010
2008-05-19 12:06:42,526 INFO org.apache.hadoop.dfs.DataNode: Datanode 1
got response for connect ack from downstream datanode with firstbadlink as
nstream datanode with firstbadlink as
2008-05-19 12:06:42,526 INFO org.apache.hadoop.dfs.DataNode: Datanode 1
forwarding connect ack to upstream fir
stbadlink is
2008-05-19 12:06:44,301 INFO org.apache.hadoop.dfs.DataNode: Exception
in receiveBlock for block blk_-81297934
64804321952 java.io.EOFException
2008-05-19 12:06:44,672 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_1416421490768473241 of size 14
51550 from /192.168.4.239
2008-05-19 12:06:44,673 INFO org.apache.hadoop.dfs.DataNode:
PacketResponder 1 for block blk_14164214907684732
41 terminating
2008-05-19 12:06:45,623 INFO org.apache.hadoop.dfs.DataNode: Receiving
block blk_-5996804017382201084 src: /19
2.168.4.240:47060 dest: /192.168.4.240:50010
2008-05-19 12:06:45,625 INFO org.apache.hadoop.dfs.DataNode: Datanode 1
got response for connect ack from dow
nstream datanode with firstbadlink as
2008-05-19 12:06:45,625 INFO org.apache.hadoop.dfs.DataNode: Datanode 1
forwarding connect ack to upstream fir
stbadlink is
2008-05-19 12:06:49,999 INFO org.apache.hadoop.dfs.DataNode: Receiving
block blk_7050204483096558609 src: /192
.168.4.235:40840 dest: /192.168.4.235:50010
2008-05-19 12:06:50,000 INFO org.apache.hadoop.dfs.DataNode: Datanode 0
forwarding connect ack to upstream fir
stbadlink is
2008-05-19 12:06:50,183 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_7050204483096558609 of size 14
02623 from /192.168.4.235
2008-05-19 12:06:50,183 INFO org.apache.hadoop.dfs.DataNode:
PacketResponder 0 for block blk_70502044830965586
09 terminating
2008-05-19 12:06:54,435 INFO org.apache.hadoop.dfs.DataNode: Receiving
block blk_6569064524742381107 src: /192
.168.4.239:43364 dest: /192.168.4.239:50010
2008-05-19 12:06:54,435 INFO org.apache.hadoop.dfs.DataNode: Datanode 0
forwarding connect ack to upstream fir
stbadlink is
2008-05-19 12:06:54,772 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_6569064524742381107 of size 81
23 from /192.168.4.239
2008-05-19 12:06:54,772 INFO org.apache.hadoop.dfs.DataNode:
PacketResponder 0 for block blk_65690645247423811
07 terminating
2008-05-19 12:06:55,719 INFO org.apache.hadoop.dfs.DataNode: Receiving
block blk_4407320173680486712 src: /192
.168.4.228:43545 dest: /192.168.4.228:50010
2008-05-19 12:06:55,722 INFO org.apache.hadoop.dfs.DataNode: Datanode 1
got response for connect ack from dow
nstream datanode with firstbadlink as
2008-05-19 12:06:55,722 INFO org.apache.hadoop.dfs.DataNode: Datanode 1
forwarding connect ack to upstream fir
stbadlink is
2008-05-19 12:06:55,936 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_4407320173680486712 of size 28
74 from /192.168.4.228
2008-05-19 12:06:55,936 INFO org.apache.hadoop.dfs.DataNode:
PacketResponder 1 for block blk_44073201736804867
12 terminating
2008-05-19 12:06:56,063 INFO org.apache.hadoop.dfs.DataNode: Receiving
block blk_-2240603543093865769 src: /19
2.168.4.244:53360 dest: /192.168.4.244:50010
2008-05-19 12:06:56,063 INFO org.apache.hadoop.dfs.DataNode: Datanode 0
forwarding connect ack to upstream fir
stbadlink is
2008-05-19 12:06:56,222 INFO org.apache.hadoop.dfs.DataNode: Received
block blk_-2240603543093865769 of size 1
3330 from /192.168.4.244
2008-05-19 12:06:56,222 INFO org.apache.hadoop.dfs.DataNode:
PacketResponder 0 for block blk_-2240603543093865
769 terminating
2008-05-19 12:06:57,179 INFO org.apache.hadoop.dfs.DataNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at worker236/192.168.4.236
************************************************************/


[4] hadoop-namenode-worker236.log
2008-03-26 11:17:46,538 INFO org.apache.hadoop.dfs.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG: host = worker236/192.168.4.236
STARTUP_MSG: args = []
STARTUP_MSG: version = 0.16.0
STARTUP_MSG: build =
http://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.16 -r
618351; compiled by
'hadoopqa' on Mon Feb 4 19:29:11 UTC 2008
************************************************************/
2008-03-26 11:17:46,632 ERROR org.apache.hadoop.dfs.NameNode:
java.net.BindException: Problem binding to master01/192.168.4.1:8020
at org.apache.hadoop.ipc.Server.bind(Server.java:193)
at org.apache.hadoop.ipc.Server$Listener.(Server.java:973)
at org.apache.hadoop.ipc.RPC$Server.(RPC.java:355)
at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:120)
at org.apache.hadoop.dfs.NameNode.(NameNode.java:161)
at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:843)
at org.apache.hadoop.dfs.NameNode.main(NameNode.java:852)

2008-03-26 11:17:46,633 INFO org.apache.hadoop.dfs.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at worker236/192.168.4.236
************************************************************/

Search Discussions

  • Arun C Murthy at May 20, 2008 at 9:57 am

    On May 20, 2008, at 2:21 AM, Marianne Spiller wrote:
    Can anyone please give me a hint?
    The below "BindException's tell me that there is something already
    running on those ports... maybe you need to kill them if they are
    Hadoop daemons.

    Arun
    2008-05-15 12:51:55,077 FATAL org.apache.hadoop.mapred.JobTracker:
    java.net.BindException: Problem binding to
    master01/192.168.4.1:9001
    at org.apache.hadoop.ipc.Server.bind(Server.java:193)
    at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:252)
    at org.apache.hadoop.ipc.Server.<init>(Server.java:973)
    at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:393)
    at org.apache.hadoop.ipc.RPC.getServer(RPC.java:355)
    at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:639)
    at org.apache.hadoop.mapred.JobTracker.startTracker
    (JobTracker.java:124)
    at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:2114)
    2008-05-15 12:51:39,441 ERROR org.apache.hadoop.dfs.NameNode:
    java.net.BindException: Problem binding to maste
    r01/192.168.4.1:8020
    at org.apache.hadoop.ipc.Server.bind(Server.java:193)
    at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:252)
    at org.apache.hadoop.ipc.Server.<init>(Server.java:973)
    at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:393)
    at org.apache.hadoop.ipc.RPC.getServer(RPC.java:355)
    at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:120)
    at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:175)
    at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:161)
    at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:843)
    at org.apache.hadoop.dfs.NameNode.main(NameNode.java:852)

    2008-05-15 12:51:39,443 INFO org.apache.hadoop.dfs.NameNode:
    SHUTDOWN_MSG:
    /************************************************************
    SHUTDOWN_MSG: Shutting down NameNode at worker247/192.168.4.247
    ************************************************************/


    [3] hadoop-datanode-worker236.log
    2008-05-19 12:06:20,839 INFO org.apache.hadoop.dfs.DataNode:
    PacketResponder 2 for block blk_8110468615207654967 terminating
    2008-05-19 12:06:20,839 INFO org.apache.hadoop.dfs.DataNode:
    writeBlock blk_8110468615207654967 received exception
    java.io.EOFException
    2008-05-19 12:06:20,839 ERROR org.apache.hadoop.dfs.DataNode:
    192.168.4.236:50010:DataXceiver: java.io.EOFException
    at java.io.DataInputStream.readInt(DataInputStream.java:375)
    at org.apache.hadoop.dfs.DataNode$BlockReceiver.receiveBlock
    (DataNode.java:2245)
    at org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock
    (DataNode.java:1150)
    at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:938)
    at java.lang.Thread.run(Thread.java:619)

    2008-05-19 12:06:26,830 INFO org.apache.hadoop.dfs.DataNode:
    PacketResponder blk_8187032148917499050 2 Exception
    java.net.SocketException: Broken pipe
    at java.net.SocketOutputStream.socketWrite0(Native Method)
    at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:
    92)
    at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
    at java.io.DataOutputStream.writeLong(DataOutputStream.java:207)
    at org.apache.hadoop.dfs.DataNode$PacketResponder.run
    (DataNode.java:1818)
    at java.lang.Thread.run(Thread.java:619)

    2008-05-19 12:06:26,830 INFO org.apache.hadoop.dfs.DataNode:
    PacketResponder 2 for block blk_8187032148917499050 terminating
    2008-05-19 12:06:26,830 INFO org.apache.hadoop.dfs.DataNode:
    writeBlock blk_8187032148917499050 received exception
    java.io.EOFException
    2008-05-19 12:06:26,830 ERROR org.apache.hadoop.dfs.DataNode:
    192.168.4.236:50010:DataXceiver: java.io.EOFException
    at java.io.DataInputStream.readInt(DataInputStream.java:375)
    at org.apache.hadoop.dfs.DataNode$BlockReceiver.receiveBlock
    (DataNode.java:2245)
    at org.apache.hadoop.dfs.DataNode$DataXceiver.writeBlock
    (DataNode.java:1150)
    at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:938)
    at java.lang.Thread.run(Thread.java:619)

    2008-05-19 12:06:29,694 INFO org.apache.hadoop.dfs.DataNode:
    Deleting block blk_-363383493122526779 file /data0/dfs/data/current/
    subdir54/subdir4/blk_-363383493122526779
    2008-05-19 12:06:29,694 INFO org.apache.hadoop.dfs.DataNode:
    Deleting block blk_3753472703880843699 file /data1/dfs/data/current/
    subdir14/subdir14/blk_3753472703880843699
    2008-05-19 12:06:35,982 INFO
    org.apache.hadoop.dfs.DataBlockScanner: Verification succeeded for
    blk_2968960775242567685
    2008-05-19 12:06:37,155 INFO org.apache.hadoop.dfs.DataNode:
    Receiving block blk_3449909418507738687 src: /192.168.4.232:55555
    dest: /192.168.4.232:50010
    2008-05-19 12:06:37,170 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 1 got response for connect ack from downstream datanode
    with firstbadlink as
    2008-05-19 12:06:37,171 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 1 forwarding connect ack to upstream firstbadlink is
    2008-05-19 12:06:42,307 INFO org.apache.hadoop.dfs.DataNode:
    Received block blk_3449909418507738687 of size 1434183 from /
    192.168.4.232
    2008-05-19 12:06:42,308 INFO org.apache.hadoop.dfs.DataNode:
    PacketResponder 1 for block blk_3449909418507738687 terminating
    2008-05-19 12:06:42,437 INFO org.apache.hadoop.dfs.DataNode:
    Receiving block blk_1416421490768473241 src: /192.168.4.239:43331
    dest: /192.168.4.239:50010
    2008-05-19 12:06:42,526 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 1 got response for connect ack from downstream datanode
    with firstbadlink as
    nstream datanode with firstbadlink as
    2008-05-19 12:06:42,526 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 1 forwarding connect ack to upstream fir
    stbadlink is
    2008-05-19 12:06:44,301 INFO org.apache.hadoop.dfs.DataNode:
    Exception in receiveBlock for block blk_-81297934
    64804321952 java.io.EOFException
    2008-05-19 12:06:44,672 INFO org.apache.hadoop.dfs.DataNode:
    Received block blk_1416421490768473241 of size 14
    51550 from /192.168.4.239
    2008-05-19 12:06:44,673 INFO org.apache.hadoop.dfs.DataNode:
    PacketResponder 1 for block blk_14164214907684732
    41 terminating
    2008-05-19 12:06:45,623 INFO org.apache.hadoop.dfs.DataNode:
    Receiving block blk_-5996804017382201084 src: /19
    2.168.4.240:47060 dest: /192.168.4.240:50010
    2008-05-19 12:06:45,625 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 1 got response for connect ack from dow
    nstream datanode with firstbadlink as
    2008-05-19 12:06:45,625 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 1 forwarding connect ack to upstream fir
    stbadlink is
    2008-05-19 12:06:49,999 INFO org.apache.hadoop.dfs.DataNode:
    Receiving block blk_7050204483096558609 src: /192
    .168.4.235:40840 dest: /192.168.4.235:50010
    2008-05-19 12:06:50,000 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 0 forwarding connect ack to upstream fir
    stbadlink is
    2008-05-19 12:06:50,183 INFO org.apache.hadoop.dfs.DataNode:
    Received block blk_7050204483096558609 of size 14
    02623 from /192.168.4.235
    2008-05-19 12:06:50,183 INFO org.apache.hadoop.dfs.DataNode:
    PacketResponder 0 for block blk_70502044830965586
    09 terminating
    2008-05-19 12:06:54,435 INFO org.apache.hadoop.dfs.DataNode:
    Receiving block blk_6569064524742381107 src: /192
    .168.4.239:43364 dest: /192.168.4.239:50010
    2008-05-19 12:06:54,435 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 0 forwarding connect ack to upstream fir
    stbadlink is
    2008-05-19 12:06:54,772 INFO org.apache.hadoop.dfs.DataNode:
    Received block blk_6569064524742381107 of size 81
    23 from /192.168.4.239
    2008-05-19 12:06:54,772 INFO org.apache.hadoop.dfs.DataNode:
    PacketResponder 0 for block blk_65690645247423811
    07 terminating
    2008-05-19 12:06:55,719 INFO org.apache.hadoop.dfs.DataNode:
    Receiving block blk_4407320173680486712 src: /192
    .168.4.228:43545 dest: /192.168.4.228:50010
    2008-05-19 12:06:55,722 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 1 got response for connect ack from dow
    nstream datanode with firstbadlink as
    2008-05-19 12:06:55,722 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 1 forwarding connect ack to upstream fir
    stbadlink is
    2008-05-19 12:06:55,936 INFO org.apache.hadoop.dfs.DataNode:
    Received block blk_4407320173680486712 of size 28
    74 from /192.168.4.228
    2008-05-19 12:06:55,936 INFO org.apache.hadoop.dfs.DataNode:
    PacketResponder 1 for block blk_44073201736804867
    12 terminating
    2008-05-19 12:06:56,063 INFO org.apache.hadoop.dfs.DataNode:
    Receiving block blk_-2240603543093865769 src: /19
    2.168.4.244:53360 dest: /192.168.4.244:50010
    2008-05-19 12:06:56,063 INFO org.apache.hadoop.dfs.DataNode:
    Datanode 0 forwarding connect ack to upstream fir
    stbadlink is
    2008-05-19 12:06:56,222 INFO org.apache.hadoop.dfs.DataNode:
    Received block blk_-2240603543093865769 of size 1
    3330 from /192.168.4.244
    2008-05-19 12:06:56,222 INFO org.apache.hadoop.dfs.DataNode:
    PacketResponder 0 for block blk_-2240603543093865
    769 terminating
    2008-05-19 12:06:57,179 INFO org.apache.hadoop.dfs.DataNode:
    SHUTDOWN_MSG:
    /************************************************************
    SHUTDOWN_MSG: Shutting down DataNode at worker236/192.168.4.236
    ************************************************************/


    [4] hadoop-namenode-worker236.log
    2008-03-26 11:17:46,538 INFO org.apache.hadoop.dfs.NameNode:
    STARTUP_MSG:
    /************************************************************
    STARTUP_MSG: Starting NameNode
    STARTUP_MSG: host = worker236/192.168.4.236
    STARTUP_MSG: args = []
    STARTUP_MSG: version = 0.16.0
    STARTUP_MSG: build = http://svn.apache.org/repos/asf/hadoop/core/
    branches/branch-0.16 -r 618351; compiled by
    'hadoopqa' on Mon Feb 4 19:29:11 UTC 2008
    ************************************************************/
    2008-03-26 11:17:46,632 ERROR org.apache.hadoop.dfs.NameNode:
    java.net.BindException: Problem binding to master01/192.168.4.1:8020
    at org.apache.hadoop.ipc.Server.bind(Server.java:193)
    at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:252)
    at org.apache.hadoop.ipc.Server.<init>(Server.java:973)
    at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:393)
    at org.apache.hadoop.ipc.RPC.getServer(RPC.java:355)
    at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:120)
    at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:175)
    at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:161)
    at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:843)
    at org.apache.hadoop.dfs.NameNode.main(NameNode.java:852)

    2008-03-26 11:17:46,633 INFO org.apache.hadoop.dfs.NameNode:
    SHUTDOWN_MSG:
    /************************************************************
    SHUTDOWN_MSG: Shutting down NameNode at worker236/192.168.4.236
    ************************************************************/

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